Sphygmomanometer



FIG. 1 is a Front elevational view of a sphygmomanometer showing my new design;

FIG. 2 is a Rear elevational view thereof;

FIG. 3 is a Left side view thereof;

FIG. 4 is a Right side view thereof;

FIG. 5 is a Top plan view thereof;

FIG. 6 is a Bottom plan view thereof;

FIG. 7 is a Perspective view thereof; and,

FIG. 8 is another Perspective view from back side thereof.

The broke lines are for the purpose of illustrating portions of the sphygmomanometer that form no part of the claimed design. 

CLAIM The ornamental design for a sphygmomanometer, as shown and described. 